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b2txt25/language_model/tools/wav_to_duration.sh
2025-07-02 12:18:09 -07:00

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#!/bin/bash
# split the wav scp, calculate duration and merge
nj=4
. tools/parse_options.sh || exit 1;
inscp=$1
outscp=$2
data=$(dirname ${inscp})
if [ $# -eq 3 ]; then
logdir=$3
else
logdir=${data}/log
fi
mkdir -p ${logdir}
rm -f $logdir/wav_*.slice
rm -f $logdir/wav_*.shape
split --additional-suffix .slice -d -n l/$nj $inscp $logdir/wav_
for slice in `ls $logdir/wav_*.slice`; do
{
name=`basename -s .slice $slice`
tools/wav2dur.py $slice $logdir/$name.shape 1>$logdir/$name.log
} &
done
wait
cat $logdir/wav_*.shape > $outscp